import json
import traceback
import time
import random
import string

# import gevent
# from flask import current_app


# from flask import request


# def proc_request_data():
#     try:
#         # print("data:", request.data)
#         req_json = json.loads(request.data)
#         print("req_json:", req_json)
#         return req_json
#     except Exception as e:
#         print(traceback.format_exc())
#
#     return {}


# def app_sleep(s: float):
#     if current_app.use_gevent:
#         gevent.sleep(s)
#     else:
#         time.sleep(s)


def get_random_str(size=10):
    return ''.join([random.choice(string.ascii_letters) for i in range(size)])


def dump_func(*args):
    pass


def safe_json_loads(data):
    try:
        return json.loads(data)
    except Exception as e:
        return {}


def safe_json_dump(data):
    try:
        return json.dumps(data)
    except Exception as e:
        print(traceback.format_exc())
        return None

